Page 641 - The Central Motor Vehicles Rules, 1989

ANNEXURE IV-N THE CENTRAL MOTOR VEHICLES RULES, 1989 613

Total sulphur content mg/kg maximum 10 maximum 10 EN 24260
Hydrogen sulphide none none ISO 8819
Copper strip corrosion Rating Class 1 Class 1 ISO 6251 (1)

Odour Characteristic Characteristic
Motor octane number minimum 92.5 minimum 92.5 EN 589 Annex B
(1)
This method may not accurately determine the presence of corrosive materials if the
sample contains corrosion inhibitors or other chemicals which diminish the corrosivity of
the sample to the copper strip. Therefore, the addition of such compounds for the sole
purpose of biasing the test method is prohibited.

ANNEXURE IV-N
[Refer Rule 115(15)] ANNEXURE IV-N
SPECIFICATION OF COMMERCIAL GASOLINE FUEL

Characteristics Unit Requirements
Unleaded Unleaded
regular premium
Color, visual Orange Red
3
Density @ 15˚C kg/m 720-775 720-775
Distillation :
(a) Recovery up to 70˚C (E 70) % volume 10-45 10-45
(b) Recovery up to 100˚C (E 100) % volume 40-70 40-70

(c) Recovery up to 150˚C (E 150) % volume 75 min 75 min
(d) Final Boiling Point (FBP), max ˚C 210 210
(e) Residue, max % volume 2 2
Research Octane Number (RON) min 91 95
Motor Octane Number (MON), min 81 85
Gum content (solvent washed), max mg/100 ml 5 5
Oxidation Stability, min minutes 360 360

Sulphur, total, max mg/kg 50 50
Lead content (as Pb), max g/l 0.005 0.005
Reid Vapour Pressure (RVP), max kPa 60 60
Vapour Lock Index (VLI)
(a) Summer, max 750 750
(b) Other months, max 950 950

Benzene Content, max % volume 1 1